I'm with Rusty on all the statements. We would never use "wide" for vocabulary. I have a "broad" vocabulary is how I would describe what Perikles mentioned. But in general, "large" or "extensive" are...

I would think simple English would be the easiest. Easier conjugation of verbs, no gender, etc... However, English is VERY nuanced with tons of words that all mean similar things with slight tweaks. ...

I have used both SpanishDict.com and Michel Thomas's course. I personally did not like Michel's course. I found his speaking to be poor and distracting. As for SpanishDict.com, I can only say that it...